Table 5 The cross-sectional associations of hurricane-related stresses with estimated DSM-IV SMI and PTSD and suicidal ideation (n=815)a

From: Trends in mental illness and suicidality after Hurricane Katrina

  SMI PTSD Suicidal ideation b
  Cross-sectional Cross-sectional Cross-sectional Cross-sectional Cross-sectional Cross-sectional
  Baseline Follow-up Baseline Follow-up Baseline Follow-up
  OR (95% CI) OR (95% CI) OR (95% CI) OR (95% CI) OR (95% CI) OR (95% CI)
Severe 23.3* (2.8–194.0) 59.7* (16.6–214.8) 65.2* (11.1–381.4) 37.6* (9.5–148.8) 7.4* (1.4–38.7) 3.2* (1.0–9.7)
Serious 3.6 (0.4–30.7) 45.1* (12.8–158.7) 20.4* (3.4–123.7) 18.7* (4.8–73.4) 7.4* (1.4–38.7) 3.2* (1.0–9.7)
Moderate 3.9 (0.3–46.9) 12.7* (3.6–45.2) 7.5 (1.0–58.5) 5.4* (1.5–19.5)   
Mild 1.2 (0.1–20.9) 4.9* (1.0–23.6) 2.1 (0.2–29.6) 4.6* (1.2–17.0)   
χ42 (P-value) 32.7 (<0.001) 51.7 (<0.001) 38.9 (<0.001) 34.0 (<0.001) 5.6 (0.018) 4.0 (0.044)
χ32 difference** (P-value)c 8.1 (0.09) 1.2 (0.87) 0.8 (0.37)
  1. Abbreviations: CI, confidence interval; OR, odd ratio; PTSD, post-traumatic stress disorder; SMI, serious mental illness.
  2. Significant difference between baseline and follow-up surveys based on two-tailed within-respondent paired t-tests evaluated at the 0.05 level of significance.
  3. Significant difference in cross-sectional associations between the two surveys. None of these differences was significant at the 0.05 level using two-sided tests.
  4. aMultivariate logistic regression models controlling for socio-demographics and for differences between the New Orleans Metro sub-sample and the remainder of the sample. No significant differences in results were found in the New Orleans Metro sub-sample versus the remainder of the sample (detailed results available on request).
  5. bDue to the rarity of suicidal ideation and the extreme nonlinearity of the association between hurricane-related stress and this outcome, the latter was dichotomized as severe-serious vs all others (that is, moderate through none).
  6. cDifference in the set of four ORs between the two surveys.